Results 11 to 20 of about 104,510 (184)

Nano-structure of Ag/PANI on surface of aramid fabric and electromagnetic shielding performance of fabric

open access: yesCailiao gongcheng, 2023
The development of materials with high electromagnetic shielding effectiveness is of great significance for reducing electromagnetic interference and electromagnetic radiation hazards.Para-aramid fabric was used as the matrix material, and the Ag/PANI ...
LIU Maochen   +3 more
doaj   +1 more source

Analysis of Shielding Effectiveness of the Cavity Built with Single-Layer Reinforced Concrete

open access: yesInternational Journal of Antennas and Propagation, 2022
In view of the existing literature mainly studying the situation of infinite reinforced concrete structure, the shielding effectiveness of three-dimensional single-layer reinforced concrete cavity is studied by considering the structural parameters of ...
Xiangang Sun   +5 more
doaj   +1 more source

An attenuation Layer for Electromagnetic Shielding in X- Band Frequency [PDF]

open access: yesIranian Journal of Health, Safety and Environment, 2015
Uncontrolled exposure to X-band frequency leads to health damage. One of the principles of radiation protection is shielding. But, conventional shielding materials have disadvantages.
Vida Zaroushani   +2 more
doaj   +2 more sources

Microwave shielding properties of Co/Ni attached to single walled carbon nanotubes [PDF]

open access: yes, 2015
Cobalt/nickel nanoparticles attached to single-walled carbon nanotubes (Co/Ni@SWCNTs) were prepared by dc-arc discharge technique. Co/Ni@SWCNTs were characterized by scanning electron microscopy, high resolution transmission electron microscopy (HRTEM ...
Dhakate, S. R.   +9 more
core   +1 more source

Characterization of the Electromagnetic Shielding Effectiveness of Biochar-Based Materials

open access: yesIEEE Access, 2023
Biochar and biochar-based composites are multi-functional materials with a wide range of environmental and other applications. A new and emerging application is in the field of modern communication systems as materials with significant electromagnetic ...
Christos D. Nikolopoulos   +5 more
doaj   +1 more source

Evaluation of near-field electromagnetic shielding effectiveness at low frequencies [PDF]

open access: yes, 2019
Magnetic induction tomography (MIT) is a novel technology for flow measurement offering significant promise in the measurement of multiphase flows containing low-conductivity fluids such as saline water.
Arellano, Yessica   +2 more
core   +1 more source

Temperature Dependencies of the Permittivities and Microwave Shielding Effectiveness of a Carbon-containing Electrically Conductive Concrete

open access: yesHigh Temperature Materials and Processes, 2013
Conductive concrete is a construction material that can be utilized for a number of applications: in particular, electromagnetic shielding. In this research, the microwave shielding effectiveness of a carbon containing electrically conductive concrete ...
Chambers B.   +2 more
doaj   +1 more source

The electromagnetic shielding effectiveness of the copper plated nonwoven fabric and its’ related comfort properties

open access: yesJournal of Engineered Fibers and Fabrics, 2022
With the rapid development of modern science and technology, a kind of invisible pollution named electromagnetic radiation has increasingly attracted the attention of all sectors of society.
Dan Wang   +3 more
doaj   +1 more source

Predicting Shielding Effectiveness of Populated Enclosures Using Absorption Cross Section of PCBs [PDF]

open access: yes, 2016
Shielding effectiveness (SE) is an important measure of how well an enclosure reduces the electromagnetic (EM) field incident upon it. Commonly, when the shielding effectiveness of an enclosure is stated it is for the case when the enclosure is empty ...
Bale, Simon J   +8 more
core   +1 more source

Microwave shielding of transparent and conducting single-walled carbon nanotube films

open access: yes, 2007
The authors measured the transport properties of single-walled carbon nanotube (SWCNT) films in the microwave frequency range from 10 MHz to 30 GHz by using the Corbino reflection technique from temperatures of 20-400 K.
Fuhrer M. S.   +4 more
core   +1 more source

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